Bike rack



FIG. 1 is a top, front, right-side perspective view of a bike rack;

FIG. 2 is a bottom, back, left-side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a top, front, right-side perspective view showing unclaimed environment of the bike rack according to the claimed design.

The dashed lines depict portions of the bike rack that form no part of the claimed design, and/or show environment of the bike rack that form no part of the claimed design. 

CLAIM The ornamental design for a bike rack, as shown and described. 